[Event "FIDE Candidates Tournament 2022"] [White "Duda,Jan-Krzysztof"] [Black "Nakamura,Hikaru"] [Site "Madrid"] [Round "7.2"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2022.06.25"] [WhiteElo "2750"] [BlackElo "2760"] [PlyCount "80"] [TimeControl "60"] {[%evp 19,80,0,7,4,34,27,25,25,28,28,32,20,31,20,26,15,20,16,19,19,12,9,19,6,0,9,35,0,0,0,0,0,4,4,4,0,4,8,16,4,6,6,10,0,29,32,57,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:0:2]} Nf6 {[%emt 0:0:8]} 2. c4 {[%emt 0:0:6]} e6 {[%emt 0:0:4] } 3. Nc3 {[%emt 0:0:7]} Bb4 {[%emt 0:0:9]} 4. e3 {[%emt 0:0:0]} O-O {[%emt 0:0:9]} 5. Bd3 {[%emt 0:0:5]} c5 {[%emt 0:0:33]} 6. Nge2 {[%emt 0:0:12] } d5 {[%emt 0:0:32]} 7. cxd5 {[%emt 0:0:27]} cxd4 {[%emt 0:0:0]} 8. exd4 {[%emt 0:0:7]} Nxd5 {[%emt 0:0:11]} 9. O-O {[%emt 0:0:8]} Nc6 {[%emt 0:0:2]} 10. a3 {[%emt 0:0:8]} Bd6 $1 {[%emt 0:0:42] 10...Bd6 is better than 10...Be7.} 11. Re1 {[%emt 0:0:22] E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} Nce7 {[%emt 0:10:10] [#]} 12. Bc2 $146 {[%emt 0:3:24]} ({Predecessor:} 12. Bb1 Re8 13. Qd3 Ng6 14. Nxd5 exd5 15. Bd2 Qh4 16. h3 Be6 17. Ba2 Rac8 18. Rac1 Rxc1 19. Bxc1 {½-½ (65) Struzka, V (2055)-Tauscher,K ICCF email 2013} )Bd7 {[%emt 0:8:23]} 13. Qd3 {[%emt 0:1:34][%csl Gc2][%cal Rd3h7] [#] White has an edge.} f5 {[%emt 0:0:49] } 14. Bb3 {[%emt 0:8:23]} Qb6 {[%emt 0:15:11]} 15. Nxd5 {[%emt 0:4:2]} Nxd5 {[%emt 0:0:58]} 16. Bxd5 {[%emt 0:0:28]} exd5 {[%emt 0:0:4]} 17. Bf4 {[%emt 0:0:8] } Rae8 {[%emt 0:0:58][%cal Ye8e2] Against Be5} 18. g3 {[%emt 0:0:0]} Bxf4 {[%emt 0:10:58]} 19. Nxf4 {[%emt 0:0:27]} Re4 {[%emt 0:0:3]} 20. Red1 {[%emt 0:22:19][%cal Ye1d1,Yd1d2,Yd2e2]} Bc6 {[%emt 0:11:47]} 21. h4 {[%emt 0:7:27]} Rfe8 {[%emt 0:6:40][%cal Yf8e8,Ye8e1,Ye1d1,Yd1d4,Yd4a4]} 22. Qc3 {[%emt 0:3:15]} g6 {[%emt 0:8:1]} 23. b4 {[%emt 0:0:0]} Ba4 {[%emt 0:8:50]} 24. Rd2 {[%emt 0:6:23]} Qc6 {[%emt 0:0:40]} 25. Qc5 {[%emt 0:20:30]} Re1+ {[%emt 0:3:59]} 26. Rxe1 {[%emt 0:1:26]} Rxe1+ {[%emt 0:0:2] } 27. Kg2 {[%emt 0:0:48]} Qxc5 {[%emt 0:0:32]} 28. bxc5 $11 {[%emt 0:1:45] Endgame KRB-KRN} Bc6 {[%emt 0:2:41]} 29. Re2 {[%emt 0:8:16] } Rd1 {[%emt 0:4:32]} 30. Ne6 {[%emt 0:0:25]} Bd7 {[%emt 0:0:0]} 31. Nd8 {[%emt 0:1:11] [#] Black must now prevent Re7.} Rxd4 {[%emt 0:0:0]} (31... Kf8 $5 {[%cal Rd1d4]} )32. Re7 {[%emt 0:0:22]} Bc6 {[%emt 0:0:4] } 33. Nxc6 {[%emt 0:2:48]} ({White should play} 33. Nxb7 $14 Rc4 34. Nd8 )bxc6 $14 {[%emt 0:0:4] KR-KR. The position is equal.} 34. Rc7 {[%emt 0:0:0]} Ra4 {[%emt 0:2:17]} 35. Rxc6 {[%emt 0:0:9]} Rxa3 {[%emt 0:0:5]} 36. Rd6 {[%emt 0:0:10]} Rc3 {[%emt 0:0:8]} 37. Rxd5 {[%emt 0:0:5]} a5 {[%emt 0:0:3][%cal Ya7a5,Ya5a4,Ya4a3] } 38. c6 {[%emt 0:0:6]} a4 {[%emt 0:0:27] } 39. Ra5 {[%emt 0:0:6]} a3 {[%emt 0:0:7]} 40. c7 {[%emt 0:0:0]} Rxc7 {[%emt 0:0:0] Weighted Error Value: White=0.05 (flawless) / Black=0.03 (flawless)} 1/2-1/2